avutil: check sampleformats enum, pict type enum and media type enum against insert/remove mistakes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/utils.c

@@ -19,6 +19,7 @@
 #include "config.h"
 #include "avutil.h"
 #include "avassert.h"
+#include "samplefmt.h"
 
 /**
  * @file
@@ -28,6 +29,9 @@
 unsigned avutil_version(void)
 {
     av_assert0(PIX_FMT_VDA_VLD == 81); //check if the pix fmt enum has not had anything inserted or removed by mistake
+    av_assert0(AV_SAMPLE_FMT_DBLP == 9);
+    av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
+    av_assert0(AV_PICTURE_TYPE_BI == 7);
 
     return LIBAVUTIL_VERSION_INT;
 }